Book clamp



FIG. 1 is a front perspective view of the book clamp in accordance with the invention;

FIG. 2 is a top plan view of the book clamp of FIG. 1;

FIG. 3 is a front elevation view of the book clamp of FIG. 1;

FIG. 4 is a right side elevation view of the book clamp of FIG. 1;

FIG. 5 is a rear elevation view of the book clamp of FIG. 1;

FIG. 6 is a left side elevation view of the book clamp of FIG. 1; and,

FIG. 7 is a bottom plan view of the book clamp of FIG. 1. 

The ornamental design for a book clamp, as shown. 